Tadashi Fujinawa

Title: The Innovations of Tadashi Fujinawa

Introduction

Tadashi Fujinawa is a notable inventor based in Sakado, Japan. He has made significant contributions to the field of ultrasonic motors and numerical control systems. With a total of 5 patents, his work has advanced the technology used in various mechanical applications.

Latest Patents

Fujinawa's latest patents include a control method and apparatus for an ultrasonic motor, as well as an ultrasonic motor driver and controller. The control apparatus for the ultrasonic motor features a driving wave number determining means that establishes a driving wave number based on the targeted displacement of a driven object. Additionally, it includes a normative driving wave generating means that produces continuously normative driving waves at intervals determined by the targeted velocity of the driven object. Another significant patent is for a numeric control lathe, which incorporates a control unit that manages the operations of spindles and tool rests along multiple control axes. This innovative lathe allows for the input of various machining programs, enhancing the efficiency and precision of machining operations.

Career Highlights

Throughout his career, Fujinawa has worked with prominent companies such as Citizen Watch Company, Ltd. and Hephaist Seiko Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced mechanical systems.

Collaborations

Fujinawa has collaborated with notable individuals in the field, including Toshio Ishimura and Yasuhiro Sasaki. These partnerships have fostered innovation and the sharing of ideas, further enhancing his contributions to technology.

Conclusion

Tadashi Fujinawa's work in ultrasonic motors and numerical control systems showcases his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving mechanical applications, making him a significant figure in the field of invention.